% 文档类
\documentclass{ctexart}
% 导言区
% 插图宏包
\usepackage{graphicx}
% 设置搜索路径
\graphicspath{{../pics/}{figs/}}

%正文区
\begin{document}

\includegraphics{ctanlion.eps}

\includegraphics{latexframe.png}

\includegraphics{latex-project.jpg.png}

\end{document}